Track cameras

Hi guys, maybe it's a silly question but i'd like to know if there's a way to change (increase) the number of the track cameras with gp4builder, when i try to do it by using the add button, appears this message

thanks.

You have to import a cam set of another track which have more cams.

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My Grand Prix 4 Files
I'm a total dick. How many people can say that?

Tried that, but then, on tv view the car disappear for some second during the lap.
There's a way to modify the original amount of track cameras for a circuit?
Thanks.

You have to check the visibility sets of the gp4 file. check the value which correspond with the amount of cams and change that value to example 18 if you inserted a cam set with 18 cams.

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My Grand Prix 4 Files
I'm a total dick. How many people can say that?

Solved!
Thanks Turbo Lover for the help.